2122945417 has 2 divisors, whose sum is σ = 2122945418. Its totient is φ = 2122945416.

The previous prime is 2122945403. The next prime is 2122945421. The reversal of 2122945417 is 7145492212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2053539856 + 69405561 = 45316^2 + 8331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122945417 is a prime.

It is a super-2 number, since 2×2122945417² = 9013794487122607778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122945427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061472708 + 1061472709.

It is an arithmetic number, because the mean of its divisors is an integer number (1061472709).

Almost surely, 2^2122945417 is an apocalyptic number.

It is an amenable number.

2122945417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122945417 is an equidigital number, since it uses as much as digits as its factorization.

2122945417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 2122945417 is about 46075.4318156651. The cubic root of 2122945417 is about 1285.2263157232.

The spelling of 2122945417 in words is "two billion, one hundred twenty-two million, nine hundred forty-five thousand, four hundred seventeen".